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Abstract:

A postage evidencing meter system is disclosed. The system comprises an
authorization database for storing parameters for at least one user,
wherein the parameters limit the at least one user's ability to evidence
postage using the meter. The parameters include a maximum postage amount
that the at least one user is allowed to use on the meter to evidence
postage. The parameters may alternatively or also include a period of
time during which the user is allowed to use the meter to evidence
postage or a maximum amount of postage that can be used during a period
of time. The postage evidencing meter further comprises a user interface,
a printer, and a security module. In alternative embodiments, the
authorization database is stored on a removable storage device and/or is
coupled to the meter via a communication link to a remote postage
information system.

Claims:

1. A postage evidencing meter operable to be used by a plurality of
users, comprising: an authorization database having a plurality of
entries, wherein each entry is associated with a user of the plurality of
users, and each entry includes at least one parameter, wherein the
parameter limits an ability of the associated user to evidence postage
using the meter; and a processor operable to access said authorization
database and limit the ability of a user of the plurality of users to
evidence postage using the meter in accordance with the parameter of the
entry associated with the user.

[0002] The present invention relates to postage usage and, more
specifically, to controlling postage usage independent of a meter
balance.

BACKGROUND OF THE INVENTION

[0003] The only limit on the amount of postage that can be evidenced using
current postage meters is the amount of postage that is currently
deposited in the meter. If that meter is shared, there is no way to limit
the amount of postage evidenced by any one user. For example, in
environments where meters are shared, such as a workplace, the amount of
postage on deposit in the meter is the only limit on how much postage
individuals can print. This offers limited control on postage usage and
postage expenses cannot be managed effectively. A business or individual
may desire to limit the amount of postage that can be used for a specific
purpose or used by each individual.

[0004] For example, a company's policy might permit employees to use the
company's postage meter for personal purposes. This arrangement is
typically not problematic if employees mail only one or two pieces of
personal mail in a week. However, there is a risk that some employees
will abuse the system by processing a large volume of mail. A company may
have a relatively high limit on their postage use, and an unscrupulous
employee would be able to take advantage of the system without detection.
The problem is compounded when multiple meters are available within a
facility or a company. A company may have a combination of mechanical
meters and online meters. An employee intending to abuse such a system
would have several options for printing postage, and it is unlikely that
the employee will be caught by the employer. It would be advantageous to
have the capability of controlling postage use in order to prevent
misuse.

[0005] It would also be advantageous if companies could control the use of
postage by other parties. For example, at times, companies need to
authorize other parties to print postage on the company's behalf In one
case, a third party, such as a print shop, letter facility, or high-speed
mail facility, may be asked to prepare mail at its own facility on behalf
of the company. The company is then billed for the amount of postage
used.

[0006] As another example, a catalog company that pays for customers'
postage for returned item to the company have to deal with a customer
reimbursement policy or other process. It would be preferable instead to
be able to authorize an individual, such as a customer, to print the
required postage amount to pay for shipping an item back to the company.

BRIEF SUMMARY OF THE INVENTION

[0007] The present invention is directed to a system and method that
controls postage usage independent of a meter balance. A user can set
meter limits for individuals or entities. These limits may be set for a
selected period of time or on a one-time-use basis. The meter allows an
individual to print a set dollar amount of postage per week or per month,
independent of the meter's postage balance. Accordingly, employees would
not be allowed to evidence postage if they have exceeded their threshold
amounts for the specified period or if there is insufficient money
available on the meter balance to perform the postage transaction.

[0008] Additional embodiments of the invention allow the user to grant
authorizations on a one-time basis to outside service bureaus, for
example, to print a set dollar amount of postage on the user's behalf.
This avoids the need to be reimbursed for postage costs at a later time.
As an alternative embodiment, the present invention allows postage to be
transferred among meters within a given entity as a method of controlling
postage outside of a meter balance.

[0009] One embodiment of the invention is directed to a postage evidencing
meter comprising an authorization database for storing parameters for at
least one user, wherein the parameters limit the at least one user's
ability to evidence postage using the meter. The parameters include a
maximum postage amount that the at least one user is allowed to use on
the meter to evidence postage. The parameters may alternatively or also
include a period of time during which the user is allowed to use the
meter to evidence postage. The postage evidencing meter further comprises
a user interface, a printer, and a security module. In alternative
embodiments, the authorization database is stored on a removable storage
device and/or is coupled to the meter via a communication link to a
remote postage information system.

[0010] In another embodiment of the invention a system for controlling
postage usage comprises one or more postage evidencing meters having a
communication module for providing a communication link between the
postage evidencing meter and a postage information system, wherein the
postage evidencing meter includes a database for storing postage usage
parameters for at least one user, wherein the parameters limit the at
least one user's ability to evidence postage using the meter. The
parameters include a maximum postage amount that the at least one user is
allowed to use on the meter to evidence postage and/or a period of time
during which the user is allowed to use the meter to evidence postage
and/or an amount of postage that the user can use over a period of time
(for example, $10 per week). The communication link in the system may be
a wireless link or a wireline link. The postage evidencing meters further
comprise a removable storage device for storing postage usage parameters
for at least one user, wherein the parameters limit the at least one
user's ability to evidence postage using the meter.

[0011] In other embodiments of the invention, a system for controlling
postage usage, comprises at least two postage evidencing meters, each
meter having a processor and a communication module for providing a
communication link between the at least two meters, wherein postage usage
parameters for at least one user are exchanged between meters via the
communication link, and wherein the parameters control the at least one
user's ability to evidence postage using the meters. The parameters
include a maximum postage amount that the at least one user is allowed to
use on the meter to evidence postage and/or a period of time during which
the user is allowed to use the meter to evidence postage and/or an amount
of postage that the user can use over a period of time. The communication
link is a wireless link or a wireline link. The communication link is
used to transfer postage values securely between the at least two meters
using cryptographic techniques. In other embodiments, the exchange of
postage usage parameters is bi-directional.

[0012] In a further embodiment of the invention, a method for transferring
postage value between postage evidencing devices comprises receiving a
request for a postage value transfer, the request identifying a
destination device and an amount of postage value to be transferred,
creating a postage value token at a first postage evidencing device,
subtracting the postage value amount from registers in the first postage
evidencing device, transferring the postage value token to a second
postage evidencing device, verifying the postage value token at the
second postage evidencing device, and adding the postage value to
registers at the second postage evidencing device.

[0013] The method for transferring postage value may further comprise
transferring the postage value using a communications link between the
first and second postage evidencing devices. The communication link may
be a wireless link or a wireline link. The method for transferring
postage value further comprises transferring the postage value using a
removable storage device. The postage value token is a cryptographically
secure token in some embodiments.

[0014] Embodiments of the invention also include a method for controlling
postage usage comprising receiving a request to evidence postage from a
selected user, determining if sufficient postage is available to fulfill
the request for the selected user and if the user has not exceeded his or
her postage usage limit, determining if the request is received in an
approved time period for the selected user, evidencing a requested
postage amount, and recording postage usage for the selected user. The
method may further comprises receiving a request to use the postage
account of a selected user, and authenticating the selected user.
Additionally, the method may comprise receiving a request to configure
parameters for the selected user, and modifying postage usage limits for
the selected user. In alternative embodiments, the usage limits are
selected from the group consisting of: a maximum amount of postage that
can be evidenced for the user, a time period during which the user is
authorized to evidence postage, a class of postage that the user is
authorized to evidence, and an amount of postage that the user can use
per period of time. The method further comprises receiving a request to
purchase postage for the selected user, and adding a purchased postage
value to the meter balance.

[0015] The foregoing has outlined rather broadly the features and
technical advantages of the present invention in order that the detailed
description of the invention that follows may be better understood.
Additional features and advantages of the invention will be described
hereinafter which form the subject of the claims of the invention. It
should be appreciated by those skilled in the art that the conception and
specific embodiment disclosed may be readily utilized as a basis for
modifying or designing other structures for carrying out the same
purposes of the present invention. It should also be realized by those
skilled in the art that such equivalent constructions do not depart from
the spirit and scope of the invention as set forth in the appended
claims. The novel features which are believed to be characteristic of the
invention, both as to its organization and method of operation, together
with further objects and advantages will be better understood from the
following description when considered in connection with the accompanying
figures. It is to be expressly understood, however, that each of the
figures is provided for the purpose of illustration and description only
and is not intended as a definition of the limits of the present
invention.

BRIEF DESCRIPTION OF THE DRAWINGS

[0016] For a more complete understanding of the present invention,
reference is now made to the following descriptions taken in conjunction
with the accompanying drawings, in which:

[0017] FIG. 1 is a block diagram of a postage meter incorporating
embodiments of the invention;

[0019] FIG. 3 is a flowchart illustrating a process for using a postage
evidencing device according to embodiments of the present invention;

[0020]FIG. 4 is a block diagram of postage meters incorporating
alternative embodiments of the present invention; and

[0021] FIG. 5 is a flowchart illustrating a process for using a postage
evidencing devices according to the embodiments illustrated in FIG. 4.

DETAILED DESCRIPTION OF THE INVENTION

[0022] FIG. 1 is a block diagram of postage meter 11 incorporating
embodiments of the invention. Display 12 and keypad 13 allow users to
interact with meter 11, such as to select an amount and class of postage
to be evidenced. Security module 14 controls access to meter 11 so that
only an authorized person adjusts the amount of postage available on the
meter. Printer 15 is used to evidence postage on mail pieces.

[0023] Meter 11 also includes authorization database 16, which maintains
records about individual users and the amount of postage that each
individual user is allowed to print over a specified time frame. This
specific time frame could be daily, weekly, monthly, or any other time
period that has been authorized by the system manager. A user may be
limited to printing a certain amount of postage over the selected period
of time, such as during certain hours on work days or certain days of the
week.

[0024] Alternatively, authorization database 16 specifies a one-time fixed
amount of postage that each individual user is not allowed to exceed.
Accordingly, authorization database 16 maintains a record of the postage
amounts used by each individual user over the specified time period.
Authorization database 16 may also maintain a authorization list of the
operations that each individual user is allowed to perform, such as
evidencing a particular number of mail pieces, particular classes of mail
pieces, and the like.

[0025] FIG. 2 is a block diagram of postage meters incorporating
alternative embodiments of the present invention. System 20 includes
multiple postage meters 21-1 to 21-N. Meters 21 are similar to meter 11
(FIG. 1), but authorization database 16 is replaced with communication
module 22 in each meter 21. Communication module 22 communicates with
external postage information system 23, which maintains the authorization
information for each meter 21. The information maintained in postage
information system 23 is the same information that was stored in
authorization database 16, such as records about individual users and the
amount of postage that each individual user is allowed to print over a
specified time frame.

[0026] Postage information system 23 provides a central database for
tracking the postage amounts used by each individual user and for
maintaining a list of the operations that each individual user is allowed
to perform. Meters 21 communicate with postage information system 23 via
connection 24, which may be any wireline or wireless connection, such as
a direct cable connection, local area network (LAN), wide area network
(WAN), intranet, the Internet, or the like using any protocol now known
or later developed that provides for the transmission of data between two
or more devices.

[0027] FIG. 3 is a flowchart illustrating process 30 for using a postage
evidencing device according to embodiments of the present invention. A
user is selected at 301 and is authenticated at 302. If the
authentication was not correct, then at 303 the process returns to the
start to reattempt the authentication. If the authentication was
successful, then process 30 moves to 304, where the user is allowed to
choose a desired operation.

[0028] At 305, the user can choose to configure the meter or system. If
the configure option is selected at 305, then the process moves to 306
where the process determines if the user is authorized to configure the
meter or system. The authorization check may be accomplished, for
example, by checking if the selected user is on a list of users approved
to configure the meter or system. If the user is not authorized to
configure the meter or system, then process 30 returns to 304 and the
user can select another operation. If the user is allowed to configure
the meter or system, then at 307 the user enters modifications to the
system configuration. For example, the user may adjust the access
parameters for himself or any other user, including the amount of postage
that particular users are allowed to evidence and an associated period of
time within which the user can print that postage. The user is returned
to 304 after configuring the system.

[0029] If the user does not configure the system at 305, then at 308 the
user can choose to evidence postage. When the user chooses to print
postage, then the system determines whether the user has enough postage
at 309. If the user's account does not have sufficient postage, then the
process returns to 304 to allow the user to make another selection. If
the user has sufficient postage in his account, then at 310 the system
checks whether the user is authorized to evidence postage at the current
time or if the user has exceeded a limit on the amount of postage that he
is authorized to print over a period of time. If the user is not
authorized to use the meter at this time or has exceed the amount of
postage that he is authorized to use during the current time period, then
the process returns to 304. If the user has sufficient postage available
and is within the authorized time period, then at 311 the postage is
evidenced and the meter usage is recorded and the user's data is updated
at 312 before returning to 304.

[0030] If the user does not want to evidence postage at 308, then at 313
the user is can choose to receive a report on meter usage. Reports may
include items such as a list of authorized users and postage amounts and
times of authorized use as well as a record of past meter use. If the
user selects to run a report, then authorization is checked at 314. If
not authorized, then the process returns to 304. If the user is
authorized to run a report, then that report can be printed at 315 before
returning to 304.

[0031] If the user does not run a report at 313, then the purchase postage
option is available at 316. If the user chooses to purchase postage for
the shared meter balance, authorization is checked at 317. Unauthorized
users are returned to 304. Authorized users may purchase postage at 318
before returning to 304. If the user does not choose to purchase postage
at 316, then process 30 ends at 319.

[0032]FIG. 4 is a block diagram of postage meters 41, 41' incorporating
alternative embodiments of the present invention. System 40 depicts two
meters 41, 41' that are similar to meter 11 (FIG. 1) and meter 21 (FIG.
2). Meter 41' includes the same components as meter 41. Accordingly, the
discussion of the components of meter 41 will apply to both meters. Meter
41 includes communication module 22. This allows meters 41 and 41' to
communicate with each other via connection 43, which may be any wireline
or wireless connection, such as a direct cable connection, local area
network (LAN), wide area network (WAN), intranet, the Internet, or the
like using any protocol now known or later developed that provides for
the transmission of data between two or more devices.

[0033] Meter 41 and 41' also include removable storage drive 42. Removable
storage drive 42 is a device capable of receiving removable storage 44,
such as a floppy disk, removable hard drive, a SMARTMEDIA® flash
memory card, a COMPACTFLASH® card, a MEMORY STICK® card, a SD
SECURED DIGITAL® memory card, or the like. Removable storage 44 acts
like authentication database 16 (FIG. 1) and provides a database for
tracking the postage amounts used by one or more individual users and for
maintaining a list of the operations that each individual user is allowed
to perform. Before evidencing postage using meter 41, the meter checks
removable storage device 44 to determine if the user is authorized to
print postage. In an office or company environment with multiple postage
meters, a user may carry removable storage device 44 so that he can
access available postage meters as the need occurs.

[0034] Removable storage 44, or communications transfer over link 43, is
used to securely transfer postage values from meter 41 to remote meter
41' using, for example, cryptographic techniques. The transfer between
meter 41 to meter 41' can be bi-directional so that unused postage could
be returned back to meter 41, or postage from remote meter 41' could be
transferred into meter 41.

[0035] Meters 41 and 41' also include processor 45 which controls data
transfers between meters 41 and 41' and also handles the control of other
components within meter 41, 41'. Processor 45 holds the authorization
data for users and determines whether a user is authorized to evidence a
selected postage amount at a particular time. When the authorization data
is transferred via communications link 43 or removable storage device 44
to remote meter 41', then processor 45' holds the data and determines
whether the user is authorized to use meter 41'.

[0036] The use of multiple meters is not limited to a transfer between
meter 41 and meter 41'. Any compatible meter can transfer postage in this
fashion. Accordingly, meters 41 and 41' can be located on the same
premises or on remote premises anywhere in the world.

[0037] FIG. 5 is a flowchart illustrating a process for using a postage
evidencing devices according to the embodiments illustrated in FIG. 4. A
postage transfer request is made at 501. At 502, the process determines
whether there is sufficient postage to fulfill that transfer. If the
available postage is not sufficient, then the user's session terminates.

[0038] If there is sufficient postage, then the user specifies a
destination for the postage transfer at 503. A cryptographically secure
token is created at 504. The token has the value for the postage to be
transferred. At 505, postage is subtracted from the registers of the
initiating meter as if postage was evidenced by the meter. At 506, the
process decides whether to use removable media or the communication
module to perform the token transfer.

[0039] If removable media is used, then the token is written to the
removable media at 507. The token is physically transferred on the
removable storage to the remote meter in process 508. The token is then
read and loaded into the remote meter at 509. If the user decides not to
use the removable media at 506, then the transfer will be made using the
communication module. At 510 a connection is established to the remote
meter using the communication module. The token is transferred to the
remote system at 511 over a communication link, such as link 43 (FIG. 4).

[0040] At 510 the transferred token, whether received by physical transfer
on a removable disk or by communication link, is verified. This ensures
that the token has not been tampered with or used before. At 511, if the
token passes verification, the system accepts the token as if the postage
was purchased and the meter registers are adjusted to show the new
postage amount. After proper adjustments have been made, user's postage
transfer session is concluded and the postage is available for use on the
remote meter.

[0041] Although the present invention and its advantages have been
described in detail, it should be understood that various changes,
substitutions and alterations can be made herein without departing from
the spirit and scope of the invention as defined by the appended claims.
Moreover, the scope of the present application is not intended to be
limited to the particular embodiments of the process, machine,
manufacture, composition of matter, means, methods and steps described in
the specification. As one of ordinary skill in the art will readily
appreciate from the disclosure of the present invention, processes,
machines, manufacture, compositions of matter, means, methods, or steps,
presently existing or later to be developed that perform substantially
the same function or achieve substantially the same result as the
corresponding embodiments described herein may be utilized according to
the present invention. Accordingly, the appended claims are intended to
include within their scope such processes, machines, manufacture,
compositions of matter, means, methods, or steps.